Her name in Welsh is simply, Gwen.
St. Wenna (the Cornish version of her name) was the daughter of Lord Cynyr
Ceinfarfog of Caer Goch, the wife of King Salom
of Cerniw and mother of St. Cybi.
She founded the church of Morval (near Duloe)
in Cerniw (Cornwall) and apparently died in 544. She should not be
confused with her contemporary, St. Wenna of
Talgarth, whose church was at St. Wenn.